Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。KVM是其中的一个基于内核的虚拟机。overlayfs是其中的一套文件系统。 Linux kernel 4.17 之前存在安全漏洞，该漏洞源于 BPF 子系统会错误处理指令序列长跳转的情况，其中内部指令需要大量扩展为多个 BPF 指令，从而导致溢出。这会影响 kernel/bpf/core.c 和 net/core/filter.c。
CVSS Information
N/A
Vulnerability Type
N/A